times.h 1.7 KB

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  1. /* Copyright (C) 1991, 1992, 1996, 1998, 1999 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. /*
  16. * POSIX Standard: 4.5.2 Process Times <sys/times.h>
  17. */
  18. #ifndef _SYS_TIMES_H
  19. #define _SYS_TIMES_H 1
  20. #include <features.h>
  21. #define __need_clock_t
  22. #include <time.h>
  23. __BEGIN_DECLS
  24. /* Structure describing CPU time used by a process and its children. */
  25. struct tms
  26. {
  27. clock_t tms_utime; /* User CPU time. */
  28. clock_t tms_stime; /* System CPU time. */
  29. clock_t tms_cutime; /* User CPU time of dead children. */
  30. clock_t tms_cstime; /* System CPU time of dead children. */
  31. };
  32. /* Store the CPU time used by this process and all its
  33. dead children (and their dead children) in BUFFER.
  34. Return the elapsed real time, or (clock_t) -1 for errors.
  35. All times are in CLK_TCKths of a second. */
  36. extern clock_t times (struct tms *__buffer) __THROW;
  37. __END_DECLS
  38. #endif /* sys/times.h */